Sony DVP-S9000ES Service Manual page 50

MB-91 (SDRAM) SCHEMATIC DIAGRAM • See page 4-15 for printed wiring board.
– Ref. No.: MB-91 board; 1,000 series –
1 2 3
MB-91 BOARD (2/12)
A
1
2
3
4
B
5
6
7
8
9
10
C
C643
0.01u
D
C644
0.01u
E
1
MB-91 BOARD (1/12)
(SEE PAGE 4-20)
F
G
C645
0.01u
H
C646
0.01u
I
J
11
K
05
4 5 6 7
SIGNAL PATH
NO MARK:DVD/CD PLAY
D:DVD PLAY
C:CD PLAY
*:IMPOSSIBLE TO MEASURE THE
VOLTAGE AT THE MARKED POINTS.
PB
IC603
16M SDRAM
IC603
MT48LC1M16A1TG-7S
B+
3.3
VCC VSS
DDT0 1.3 D1.3/C1.9 DDT15
DQ0 DQ15
DDT1
1.2 1.1 DDT14
DQ1 DQ14
VSSQ VSSQ
DDT2 0.9 D1.7/C1.2 DDT13
DQ2 DQ13
DDT3 1.2 D1.1/C1.6 DDT12
DQ3 DQ12
B+ B+
3.3 3.3
VCCQ VCCQ
DDT4 1.7 1.8 DDT11
DQ4 DQ11
DDT5 1 D0.9/C1.7 DDT10
DQ5 DQ10
VSSQ VSSQ
DDT6 1 1.7 DDT9
DQ6 DQ9
DDT7 D1.2/C2.2 1.4 DDT8
DQ7 DQ8
3.3 3.3
VCCQ VCCQ
0
DQML N.C.
3.1 0
WE DQMU
3 1.9
CAS CLK
3 3.3
RAS CKE
2.8
CS N.C.
DAD11 D*/C0.2 0.1 DAD9
A11(BA) A9
DAD10 0.1 0.1 DAD8
A10/AP A8
DAD0 0.1 D*/C0.2 DAD7
A0 A7
DAD1 0.1 D*/C0.2 DAD6
A1 A6
DAD2 D*/C0.2 D*/C0.2 DAD5
A2 A5
DAD4
DAD3 D*/C0.2 D*/C0.2
A3 A4
3.3
VCC VSS
B+
IC604
16M SDRAM
IC604
MT48LC1M16A1TG-7S
3.3
VCC VSS
DDT0 1.3 D1.3/C1.9 DDT15
DQ0 DQ15
DDT1 1.2 1.1 DDT14
DQ1 DQ14
VSSQ VSSQ
DDT2 0.9 D1.7/C1.2 DDT13
DQ2 DQ13
DDT3 1.2 D1.1/C1.6 DDT12
DQ3 DQ12
3.3 3.3
VCCQ VCCQ
DDT4 1.7 1.8 DDT11
DQ4 DQ11
DDT5 1 D0.9/C1.7 DDT10
DQ5 DQ10
VSSQ VSSQ
DDT6 1 1.7 DDT9
DQ6 DQ9
DDT8
DDT7 D1.2/C2.2 1.4
DQ7 DQ8
3.3 3.3
VCCQ VCCQ
0 B+
DQML N.C.
3.1 0
WE DQMU
3 1.9
CAS CLK
3 3.3
RAS CKE
3
CS N.C.
DAD11 D*/C0.2 0.1 DAD9
A11(BA) A9
DAD10 0.1 0.1 DAD8
A10/AP A8
DAD0 0.1 D*/C0.2 DAD7
A0 A7
DAD1 0.1 D*/C0.2 DAD6
A1 A6
DAD2 D*/C0.2 D*/C0.2 DAD5
A2 A5
DAD3 D*/C0.2 D*/C0.2 DAD4
A3 A4
3.3
VCC VSS
4-21
8 9 10
VIDEO
SIGNAL
Y/CHROMA
C647
0.01u
FL607
B+
B+
MB-91 BOARD (8/12)
D+3.3V
C649
10u
10V
C648
0.01u
PDO0
PDO0
PDO1
PDO1
PDO2
PDO2
PDO3
PDO3
PDO4
MB-91 BOARD (9/12)
PDO4
PDO5
PDO5
PDO6
PDO6
PDO7
PDO7
• Waveforms
6 IC602 <zc,>
1 IC602 qg
3.2 Vp-p (2.82 MHz)
2 IC602 qh 7 IC602 <zzz>
3.2 Vp-p (44.1 kHz) DVD: 3.2 Vp-p (48.0 kHz)
CD : 3.2 Vp-p (44.1 kHz)
3 IC602 ea
8 IC602 <zz/>
3.2 Vp-p (4.23 MHz)
DVD: 3.2 Vp-p (3.07 MHz)
4 IC602 uh CD : 3.2 Vp-p (2.82 MHz)
9 IC602 <z/n>, <z/m>
3.9 Vp-p (27 MHz)
5 IC602 <zc.>
DVD: 3.3 Vp-p (24.58 MHz)
CD: 3.3 Vp-p (22.58 MHz)
3.1 Vp-p (H)
4-22
DVP-S9000ES
3.1 Vp-p (V)
SDRAM
MB-91 (2/12)